.banner_container{
    padding: 40px;
    width: 100%;
    background: linear-gradient(gray,white);
}
.good_list{
    width: 80%;
    margin: 0 auto;
}
.banner{
    width: 80%;
    margin: 0 auto;
    border-radius: 5px;
    overflow: hidden;
}

.banner_left,.banner_right{
    display: inline-block;
}

.banner_left{
    width: 25%;
    border-bottom-left-radius: 10px;
    border-top-left-radius: 10px;
    background-color: #2b333b;
    float: left;
}

.banner_right{
    padding-top: 20px;
    width: 75%;
    height: fit-content;
    border-bottom-right-radius: 10px;
    border-top-right-radius: 10px;
    background-color: white;
    float: left;
}

.category{
    width: 98%;
    height: 100%;
    padding-top: 20px;
    padding-bottom: 20px;
    float: right;
    list-style: none;
}

.category>li{
    text-align: center;
    width: 100%;
    height: 18%;
    font-size: 18px;
    padding-top: 6px;
    padding-bottom: 10px;
    color: rgba(255,255,255,.6);
}

.category>li:hover{
    background-color: #2aabd2;
    border-bottom-left-radius: 5px;
    border-top-left-radius: 5px;
    color: white;
    background-color: rgba(255,255,255,.3);
    cursor: pointer;
}


.circle{
    border-top-right-radius: 5px;
    width: 100%;
}

.category_child>ul>li{
    float: left;
    padding: 0 40px 20px 0;
    margin-top: 5px;
    list-style: none;
}

.category_child>ul>li>a{
    color: #0f0f0f;
    font-size: 16px;
}


.category_child>ul>li>a:hover{
    text-decoration: none;
    color: red;
}
.category_child>ul>li>a:focus{
    text-decoration: none;
}